Use multiline-string for the shell command to be executed in the container, to improve readability

Author: felladrin

components/gitpod-cli/cmd/rebuild.go

@@ -187,7 +187,19 @@ func runRebuild(ctx context.Context, supervisorClient *supervisor.SupervisorClie
 		"-it", tag,
 		"/bin/sh",
 		"-c",
-		fmt.Sprintf("echo \"%s\"; cd \"%s\"; if [ -x \"$(command -v /bin/bash)\" ]; then if [ -x \"$(command -v $SHELL)\" ]; then $SHELL; else /bin/bash; fi; else /bin/sh; fi", welcomeMessage, wsInfo.CheckoutLocation),
+		fmt.Sprintf(`
+			echo "%s";
+			cd "%s";
+			if [ -x "$(command -v /bin/bash)" ]; then
+				if [ -x "$(command -v $SHELL)" ]; then
+					$SHELL;
+				else
+					/bin/bash;
+				fi;
+			else
+				/bin/sh;
+			fi
+		`, welcomeMessage, wsInfo.CheckoutLocation),
 	)
 
 	dockerRunCmd.Stdout = os.Stdout